EP3412127B1 - Verfahren zum ausbringen von verteilgut auf einer landwirtschaftlichen fläche und landwirtschaftliche verteilmaschine - Google Patents

Verfahren zum ausbringen von verteilgut auf einer landwirtschaftlichen fläche und landwirtschaftliche verteilmaschine Download PDF

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Publication number
EP3412127B1
EP3412127B1 EP18401046.0A EP18401046A EP3412127B1 EP 3412127 B1 EP3412127 B1 EP 3412127B1 EP 18401046 A EP18401046 A EP 18401046A EP 3412127 B1 EP3412127 B1 EP 3412127B1
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EP
European Patent Office
Prior art keywords
spreading
partial
partial width
centrifugal spreader
distributing
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Application number
EP18401046.0A
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German (de)
English (en)
French (fr)
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EP3412127A1 (de
Inventor
Thomas Konermann
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Amazonen Werke H Dreyer SE and Co KG
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Amazonen Werke H Dreyer SE and Co KG
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    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01C—PLANTING; SOWING; FERTILISING
    • A01C17/00—Fertilisers or seeders with centrifugal wheels
    • A01C17/006—Regulating or dosing devices
    • A01C17/008—Devices controlling the quantity or the distribution pattern

Definitions

  • the invention relates to a method for spreading a spread on an agricultural area according to the preamble of claim 1. Furthermore, the invention relates to a centrifugal spreader for spreading a spread on an agricultural area according to the preamble of claim 9.
  • distribution material such as fertilizer in particular
  • an agricultural distribution machine In many cases, it is also a matter of solid, granular or liquid material to be distributed, which can then be spread using a so-called centrifugal spreader.
  • fertilizer can also be applied by means of a seed drill while sowing, for example.
  • centrifugal spreader emerges in which the total amount of material to be distributed is stored on the surface to be processed. This means that the amount of fertilizer applied to the cultivated area can be monitored, for example to avoid incorrect dosages.
  • DE 197 49 099 A1 discloses a method according to the preamble of claim 1 for using an agricultural spreading machine. The amount of material spread is recorded. These records are processed in such a way that they are taken into account in a later application process.
  • the US 6 216 614 B1 deals with an application method for operating a distribution machine that has a boom with several application points.
  • the amount applied can be recorded georeferenced.
  • the position of the application points is monitored during the application process so that it can be determined whether they are covering an area that has already been treated. If it does, is determine whether and to what extent further treatment of the area is required.
  • Modern distribution machines are also able to control the spreading of the material to be distributed in a sub-area-specific manner. This enables the quantities to be distributed to be adapted to the local soil conditions. This is based on separately determined data on soil properties, for example from soil analyzes, yield calculations and the like.
  • the area When working on an agricultural area with a centrifugal spreader, the area is sprinkled during work in such a way that the spread fans overlap each other when a centrifugal spreader passes over one another.
  • the reason for this is that the application rate is maximum directly behind the spreader and decreases towards the sides. In order to achieve an even distribution, the spread fan therefore typically extends as far as the adjacent lane when driving over, so that an even spread rate per area is guaranteed. Fluctuations in the application rate, for example caused by driving errors or other circumstances, are usually not taken into account, so that in spite of two-fold processing of a respective area, the application rate does not correspond to the foreseen target value in the event of unforeseen fluctuations.
  • Such fluctuations or application errors often occur at the transition between the interior of the field and the headland.
  • the headland is the part of the field in which the front ends between two lanes driven in opposite directions are turned. This part of the surface is often processed last.
  • the transition between the interior of the field and the headland often has to be driven for a long time in a straight line, since the spreading fan of today's centrifugal spreader extends very far back. If the user is inattentive or is forced to do so because of the lanes that have been created, the user often turns too early into a headland lane during the turning process. This results in an uneven distribution or a deviation from the originally planned target application of the fertilizer.
  • the distribution machine is equipped with a corresponding measuring device, in particular an anemometer, or is connected to a local weather station via a data connection, in particular an Internet connection.
  • the aim is to increase the yield of agricultural areas on a site-specific basis.
  • the application rate should be adapted as precisely as possible to the desired target values.
  • the method is used to spread material to be spread on an agricultural area by means of a centrifugal spreader.
  • the centrifugal spreader has at least one application device.
  • the spreading width covered by the at least one spreading device is subdivided into several partial widths and the spreading quantity of the material to be spread is set for each partial width of the centrifugal spreader. This setting is preferably made separately, that is, independently of other sections.
  • the method is further characterized by the fact that the amount of material to be spread spread out by the centrifugal spreader is recorded in part-width sections. This means that the local soil properties can be supplemented or updated accordingly using the data from the current spreading process.
  • the previously recorded measured values of the application rate during fertilization in the overlap area are at least partially taken into account over a partial width. This ensures that the amount of material to be spread can be optimally adapted to the nature of the soil. If necessary, the application can also take place at a time interval. In this way, it can be achieved in particular that when working on an agricultural area with a centrifugal spreader, deviations from the intended work characteristics can be compensated in one operation. Such deviations can occur due to driving and / or operating errors of the User, external influences, especially wind, the nature of the agricultural area, such as inclination or adjustment of routes due to obstacles.
  • Unpredictable malfunctions of the agricultural machine can also lead to such a deviation in the working characteristics of the spreader.
  • deviations from the foreseen mode of operation can also occur in particular at the transition between the interior of the field and the headland if the vehicle turns too early from the intended lane.
  • a similar method can also be used with a field sprayer.
  • the influence of the wind in particular gusts of wind, can cause the spray fan to be blown away in the direction of adjacent lanes to be processed later.
  • a partial area is treated several times with the field sprayer, even if this is not actually intended.
  • this blown amount of spray can be taken into account, on the one hand, by processing the surface piece first and then reworking the patch that has been blown with too little spray and / or by taking into account the amount of spray that was blown onto another patch when processing this patch and accordingly the The application rate is reduced. Significant deviations from a predetermined application rate can also occur when cornering.
  • the amount of material to be distributed is preferably recorded as a function of position and / or time. This ensures that the locally applied quantities are taken into account.
  • the position-dependent detection can for example take place directly via position measurements, in particular using location methods such as GPS or the like. Based on a time-dependent recording, conclusions can also be drawn about the current position become. In addition, possible interactions with other measured variables, such as precipitation, solar radiation, etc., can then be determined subsequently. Ideally, both position and time are recorded.
  • the actual application rate is preferably determined and / or measured on the basis of the set application rate.
  • the actual output quantity is preferably inferred from the parameters of the distribution machine. However, it can also be determined by means of at least one sensor, in particular a flow meter, torque sensor, weighing device and / or radar sensor, for measuring the application rate.
  • the determination and / or measurement of the application rate is more preferably carried out in part-width sections.
  • a subdivision of the spreading width of the distributing machine into several sections is taken into account. It is therefore intended to determine the application rate for each section.
  • this can take place, for example, by means of a sensor arrangement of radar sensors which at least approximately completely detect the width of the spread fan.
  • the switching status of individual nozzles or sections can be recorded or a pressure and / or flow measurement can be carried out section-by-section and / or nozzle-by-nozzle.
  • the set and / or actual application rate is preferably stored. This storage is preferably carried out in sections. In this way, during the subsequent processing of the same piece of surface, in particular during the same work process, an adaptation to the previously applied amount can take place.
  • the application rate is preferably stored in a terminal for controlling the agricultural distributing machine or, alternatively, on the distributing machine itself, for example in a job computer or similar data processing device. Alternatively or additionally, it can be done independently of the distributor.
  • an external or central memory is preferably provided for the data, that is to say a Data storage.
  • the data can be saved.
  • a central database can also be updated.
  • the data can in particular also be stored and / or further processed on a tablet. If necessary, the storage can also take place in two stages. First, the data are recorded and stored on or by means of the distribution machine, preferably temporarily stored. Subsequently or at a later point in time, the data can then be transferred to the external memory. For example, this can be done via a network or also by transport using a data memory.
  • the application quantities of the material to be distributed are stored as a function of location. These are also preferably recorded as location data, in particular in a location map. This enables immediate location-related storage. A map display that is clearly human-readable is also made possible.
  • the previously recorded measured values of the spread rate can be at least partially taken into account. This ensures that, in the case of successive spreading processes, the previous centrifugal spreader spreading processes can be taken into account in order to adapt the spreading amount of material to be spread to the planned target amount. If necessary, the application can also take place at a time interval.
  • the application rate recorded in sections is taken into account.
  • This preferably relates to at least that application rate of a previous application process, more preferably the immediately preceding application process. This means that the direct or most immediate influencing factor on the soil properties can be taken into account.
  • the previously recorded measured values of the application rate during fertilization in the overlapping area are at least partially taken into account in partial widths.
  • the desired application rate can be optimally set, for example with varying target application quantities of an application map or irregularly shaped surfaces, since if the same surface area is processed twice by means of overlapping processing, the previously performed processing operation is taken into account in the second processing.
  • this is particularly advantageous because the setting of the application rate in the individual sections cannot be carried out completely independently.
  • centrifugal spreader for spreading material to be spread on an agricultural area, which is particularly suitable for carrying out the method according to one of Claims 1 to 8.
  • Centrifugal spreader has at least one spreading device, wherein the spreading width covered by the at least one spreading device can be subdivided into several part-widths and wherein the spreading quantity of the material to be spread can be set separately for each of the part-widths and wherein means for determining the spreading quantity are provided for each of the part-widths. This means that it is possible to record the application rate as a function of the respective section.
  • the centrifugal spreader is set up so that when a material to be spread is repeatedly applied to the area to fertilize the area with partial overlap of the scattered areas of adjacent lanes, the previously recorded measured values of the application rate during fertilization in the overlap area are at least partially taken into account in part widths.
  • Means are preferably provided for part-width, position-dependent and / or time-dependent determination of the quantity of material to be distributed.
  • the partial width detection is preferably carried out as a function of the position. This is particularly necessary in order to determine which amount was applied at which position.
  • the set and / or actually measured quantity of distribution material is determined. It can be a means for calculating the amount, for detecting the amount and / or for measuring the amount.
  • the amount applied can be determined on the basis of the set amount.
  • the use of sensors is also possible in order to measure the amount actually applied, at least indirectly. This ensures that the amount applied is recorded.
  • means are provided for storing the determined quantity.
  • it is at least one memory, preferably a data memory. In this way, the determined amount can be saved and the application of set target application amounts of the material to be distributed can be ensured.
  • FIG Fig. 1 A centrifugal spreader 21 coupled to a tractor 20 while working on an agricultural area 22 is shown in FIG Fig. 1 shown.
  • the centrifugal spreader 21 is moved in the direction of travel 23 along lanes 24 over the agricultural area.
  • the fertilizer stored in a storage container (not shown) of the centrifugal spreader 21 is spread over the surface 22 in a wide distribution by means of spreading discs 25.
  • the quantity applied here typically decreases from the center of the traffic lane 24 to the sides, for example in a triangular manner, as can be seen from the diagram 26.
  • the length of the triangle in the direction of travel is at least approximately proportional to the amount of fertilizer applied at the respective location at any position transverse to the direction of travel.
  • the spread 27 extends from one lane 24 to the next but one lane 24.
  • the geometry of the quantity distribution 26 can also be adapted as required, for example it can be designed more trapezoidal or have other deviating geometries. This is achieved by adapting the spreading characteristics by adapting the setting parameters of the centrifugal spreader, such as the speed of the spreading discs, the amount applied and, in particular, the point at which the spreading material is applied to the spreading discs. For example, it is possible to later leave the fertilizer from the spreading disc by moving the drop point, which in the case of spreading discs that move from the inside to the outside in the rear area of the spreader means that a larger amount of fertilizer is spread in the outer area of the spreading area .
  • the very inhomogeneous quantity distribution due to the operating principle of the centrifugal spreader over the spreading width 27 is typically compensated for when working with centrifugal spreaders by the overlapping of the spreading areas of adjacent lanes 24. Since the spreading width extends over two lane distances, each area of the agricultural area 22 is therefore sprinkled twice with fertilizer.
  • the triangular quantity distribution 26 in interaction with the overlap now leads, when working on adjacent lanes 24, to ultimately ideally applying the same quantity of fertilizer to all locations.
  • the centrifugal spreader moves on the second lane from the left from bottom to top in the direction of travel 23 over the agricultural area.
  • the parts of the area exposed to fertilizer while driving are marked by hatching.
  • the surface parts acted upon in the area 28 when driving in the direction of arrow 23 are shown by hatching running from the bottom left to the top right.
  • the surface parts exposed to fertilizer in the area 29 when driving against the direction of the arrow 23, for example along the left lane 24, are on the other hand provided with hatching that runs from top left to bottom right, so that when working on adjacent lanes twice acted upon surface areas a double hatching as in the area 30 results.
  • the spreading area In order to be able to optimally adapt the fertilizer distribution within the spreading area, provision is made to subdivide the spreading area into partial widths 31.
  • the application rate within these partial widths 31 can, within limits, be individually adapted, for example to the target amount desired at the respective location, as it is stored for example in an application map in a data processing system of the tractor 20, for example a terminal, or on a job computer of the spreader 21 can. In this way, depending on the nature of the soil or based on historical yield maps or other data, the amount of fertilizer can be optimally adjusted at the respective location in order to maximize yield.
  • processing maps previously recorded in partial widths can also be used, for example in a previous processing operation with a centrifugal spreader, in order to individually control the application rate of the individual partial widths 31 within the spreading area.
  • the application rate in the individual sections can be controlled by adjusting the speed of the spreading discs 25, adjusting the amount of fertilizer applied to the spreading discs 25 and setting the point of application of the fertilizer to the spreading disc 25.
  • the invention particularly provides for the quantity distribution 26 of the adjacent, previously processed lanes to be taken into account in partial width resolution when working an agricultural area by means of a centrifugal spreader 21 with the mutual overlap of the scattering areas of adjacent lanes.
  • the application rate of each partial width 31 within the volume distribution 26 can be set in such a way that the overlap with the neighboring one is already worked lane 24 is optimal and the desired amount of fertilizer is applied everywhere.
  • an area 32 can be provided within the application map to which a significantly larger amount of fertilizer per area is to be applied than the rest of the agricultural area 22.
  • This area 32 is now initially as in FIG Fig. 1 shown processed along the second lane from the left in the direction of arrow 23.
  • the area 32 is in this case in the outer area of the quantity distribution or the scattering area 26.
  • centrifugal spreaders due to the principle of action of centrifugal spreaders, it is easier to increase the application rate per area near the center than in the edge area of the volume distribution 26. For example, it is known that a reduction in the application rate in the edge area can be achieved very reliably, in particular with automatically controllable ones Aids such as border spreading devices or special throwing shovels. However, it is not possible to reduce the spread rate in the center of the volume distribution 26 in comparison to the edge, in particular not on one side, since the scattering areas of the diffusion discs overlap in the center of the volume distribution 26.
  • a targeted application of the desired, larger application rate in the area 32 is therefore particularly efficient according to the invention if both processing operations of the area 32 are taken into account, in particular from the outset, when the area 32 is processed.
  • a slightly larger application rate can be generated in the outer three sections 31 on the right-hand side.
  • the application rate applied at the respective location is spatially resolved and part-widthwise saved.
  • it can also be provided that the application rate in area 32 is not adjusted during the first pass.
  • the application rate can now also be adapted for the area of increased target rate 32. In this case, this can be done much more effectively, since the area of increased application rate is closer to the center of the centrifugal spreader in the area of sections 34, where, due to the operating principle, it is easier to increase the application rate compared to the outer sections 35.
  • the amount of fertilizer applied per section during the previous crossing is taken into account in the current setting of the application amount per section in order to apply the desired application amount at every location, i.e. in this case to increase the application amount in area 32 as much as necessary to achieve the desired application rate at all locations.
  • this can mean, in particular, that in the case of locally different target application quantities for the partial width setting of the centrifugal spreader, the double overlapping passage is taken into account from the start, since a reduction in the application quantity in the partial widths at the edge of the spreading area is better possible or better due to the operating principle of a centrifugal spreader Correspondingly, an increase in the application rate in the center compared to the edge, as an increase in the application rate compared to the center of the spreading area.
  • the amount of fertilizer previously applied in the area of the spreading area is taken into account in part widths, so that in the sum of the passes over the agricultural area 22, the desired application rate is applied at all locations.
  • An adaptation of the application rate or the distribution characteristic can take place, on the one hand, as a function of the target application rates stored in an application map. It may also be necessary to adapt the distribution characteristics in the case of irregularly shaped surfaces, for example in the area of wedge surfaces or when entering the headland at an angle. In these cases, too, an improved application can advantageously take place, if the setting of the centrifugal spreader is based on already saved partial width data of the application rate of the current application process.

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  • Life Sciences & Earth Sciences (AREA)
  • Soil Sciences (AREA)
  • Environmental Sciences (AREA)
  • Fertilizing (AREA)
EP18401046.0A 2017-06-06 2018-05-17 Verfahren zum ausbringen von verteilgut auf einer landwirtschaftlichen fläche und landwirtschaftliche verteilmaschine Active EP3412127B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102017112412.8A DE102017112412A1 (de) 2017-06-06 2017-06-06 Verfahren zum Ausbringen von Verteilgut auf einer landwirtschaftlichen Fläche und landwirtschaftliche Verteilmaschine

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EP3412127A1 EP3412127A1 (de) 2018-12-12
EP3412127B1 true EP3412127B1 (de) 2020-08-12

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EP (1) EP3412127B1 (da)
DE (1) DE102017112412A1 (da)
DK (1) DK3412127T3 (da)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102018129713A1 (de) * 2018-11-26 2020-05-28 Amazonen-Werke H. Dreyer Gmbh & Co. Kg Verfahren zur Verifikation von Messwerten
CN111506105A (zh) * 2020-04-08 2020-08-07 安徽舒州农业科技有限责任公司 一种农用无人机控制装置及播撒控制方法

Family Cites Families (8)

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Publication number Priority date Publication date Assignee Title
DE19513423A1 (de) * 1995-04-08 1996-10-10 Amazonen Werke Dreyer H Schleuderdüngerstreuer
DE19532870A1 (de) * 1995-09-06 1997-03-13 Amazonen Werke Dreyer H Verfahren zum Steuern und/oder Regeln von landwirtschaftlichen Bearbeitungs- und/oder Verteilmaschinen
DE19741653A1 (de) * 1997-09-22 1999-03-25 Amazonen Werke Dreyer H Vorrichtung zum Aussteuern von körnigem Material
DE19749099A1 (de) * 1997-11-06 1999-05-12 Amazonen Werke Dreyer H Verfahren zum Einsatz von landwirtschaftlichen Maschinen
US6216614B1 (en) * 1999-04-28 2001-04-17 Ag-Chem Equipment Co., Inc. Boom dispensing point control system
DE102012203761A1 (de) * 2012-03-09 2013-09-12 Deere & Company Anordnung und Verfahren zur Präzisionsaussaat von Saatkörnern
DE102014103968A1 (de) * 2014-03-24 2015-09-24 Amazonen-Werke H. Dreyer Gmbh & Co. Kg Verfahren zur gleichmäßigen Verteilung von Streugut, insbesondere Düngemittel
DE102014106050A1 (de) 2014-04-30 2015-11-05 Amazonen-Werke H. Dreyer Gmbh & Co. Kg Verfahren zum Ausbringen von Dünger auf einem Feld mit einem Düngerstreuer

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

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EP3412127A1 (de) 2018-12-12
DK3412127T3 (da) 2020-11-16
DE102017112412A1 (de) 2018-12-06

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